#!/usr/bin/env node

const { existsSync } = require('fs');
const { join } = require('path');
const yParser = require('yargs-parser');
const chalk = require('chalk');
const signale = require('signale');

// print version and @local
const args = yParser(process.argv.slice(2));
if (args.v || args.version) {
	console.log(require('father-build/package').version);
	if (existsSync(join(__dirname, '../.local'))) {
		console.log(chalk.cyan('@local'));
	}
	process.exit(0);
}

// Notify update when process exits
const updater = require('update-notifier');
const pkg = require('father-build/package.json');
updater({ pkg }).notify({ defer: true });

function stripEmptyKeys(obj) {
	Object.keys(obj).forEach((key) => {
		if (!obj[key] || (Array.isArray(obj[key]) && !obj[key].length)) {
			delete obj[key];
		}
	});
	return obj;
}

function build() {
	// Parse buildArgs from cli
	const buildArgs = stripEmptyKeys({
		esm: args.esm && { type: args.esm === true ? 'rollup' : args.esm },
		cjs: args.cjs && { type: args.cjs === true ? 'rollup' : args.cjs },
		umd: args.umd && { name: args.umd === true ? undefined : args.umd },
		file: args.file,
		target: args.target,
		entry: args._,
	});

	if (buildArgs.file && buildArgs.entry && buildArgs.entry.length > 1) {
		signale.error(
			new Error(
				`Cannot specify file when have multiple entries (${buildArgs.entry.join(
					', ',
				)})`,
			),
		);
		process.exit(1);
	}

	require('./rollup-build')({
		cwd: args.root || process.cwd(),
		watch: args.w || args.watch,
		buildArgs,
	}).catch((e) => {
		signale.error(e);
		process.exit(1);
	});
}

build();
